Data Model and Data Flow Diagram Assignment Essay

Data Model and Data Flow Diagram Assignment - Essay ExampleAs the customer starts awarding wares, the customer is given a shopping cart. At the end, the customer can check out the shopping cart. At this time, he ordain be asked for personal information as well as login information for future purposes. The personal information includes the email, gender and date of birth in addition to the usual personal information require for online shopping. He is also asked for doctrine card information (PresRX accepts only Master, Visa and American Express). Since PresRX also sells prescription drugs, if the shopping cart for the customer packs a product that is available only by prescription, the customer must provide the physicians information as well. This information will include the physicians name, address, specialty, phone number, email, fax number and infirmary/clinic affiliation (we care about only the clinic that our customer goes to). (If the physicians info is not provided, we w ill contact the customer and obtain the info.) The customer can also discern the shipping method we provide overnight, standard air and standard ground. For some of the drugs that are time and temperature sensitive, the customer will not be able to select the shipping method the shipping method will automatically be chosen. The products will always be shipped to the person who orders them. If the customer wishes to use his insurance to maintain the purchase, we obtain the insurance company information as well as the insurance number and we will validate it by contacting the insurance company. Once the credit card is validated, we request validation from the insurance company on the prescription, physician on the prescription and validation of the physician from the hospital/clinic (to prevent fraudulent prescriptions). This is through via an automated email sent to the clinic as well as the physician. If emails are not made available, one of the employees will fax the request. Thi s request will contain the drug requested, the quantity ordered, date it was ordered and the customers name, address and phone number. The insurance company is called. We do this every time the person shops. The physicians office is given access to a physicians portal where his office can approve the prescription drug order. On approval, the drug is packed and shipped to the customer. The physicians portal is available where physicians can log in to not only approve the prescription request but also to renew the prescription for their patients. We also need to obtain supplies regularly. The reordering is based on need, triggered by low stocks. The system will have to reorder from the supplier via automatic ordering. As the products are shipped to our customers, the system updates the product quantity and as before long as the quantity goes to a pre-set low (different for each product), the system will immediately send an order to the products supplier. Since we handle brand items, each product will have only one supplier. For each product we receive, our employees will update the product quantities in our system. The employees doing this will be the warehouse managers and we need to know who entered which vision of received shipments. Since prescription drugs